Question

a²+b²=117 ab=5 find a+b
A√127
B√-127
C Both D none of these​

Answer 1

Answer:

√127

Step-by-step explanation:

(a+b)(a+b)=a2+b2+2ab

=117+2×5

=117+10

=127

√(a+b)(a+b)=√127

a+b=√127